281649616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13049}}^1$

素因数の和:13147

約数の個数: 40

約数和(自身を含む): 582552000

約数和(自身を除く): 300902384

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 5396, 10792, 13049, 21584, 26098, 52196, 104392, 208784, 247931, 495862, 926479, 991724, 1852958, 1983448, 3705916, 3966896, 7411832, 14823664, 17603101, 35206202, 70412404, 140824808, 281649616]

約数ペア:

[(1, 281649616), (2, 140824808), (4, 70412404), (8, 35206202), (16, 17603101), (19, 14823664), (38, 7411832), (71, 3966896), (76, 3705916), (142, 1983448), (152, 1852958), (284, 991724), (304, 926479), (568, 495862), (1136, 247931), (1349, 208784), (2698, 104392), (5396, 52196), (10792, 26098), (13049, 21584)]